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Md-11 captain reported an inflight shutdown of #3 engine due to severe vibration; causing an air turnback.
| Attributes | |
| ACN | 1758072 |
| Time | |
| Date | 202008 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Make Model Name | MD-11 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Turbine Assembly |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Passing FL310 for FL340; sudden onset of moderate to severe vibration. Evm engine 3 amber at 5.0. Complied with evm high QRH procedure. Retarded throttle; vibration lessened but still significant. All other engine indications normal for #3. Decided after discussion to call what we were feeling severe damage to #3. Ran QRH severe damage checklist for #3; shut engine down; [advised ATC]; returned for uneventful landing to runway xxc ZZZ. Upon block in and shutdown mx found #3 engine turbine severely damaged.
Original NASA ASRS Text
Title: MD-11 Captain reported an inflight shutdown of #3 engine due to severe vibration; causing an air turnback.
Narrative: Passing FL310 for FL340; sudden onset of moderate to severe vibration. EVM engine 3 amber at 5.0. Complied with EVM High QRH Procedure. Retarded throttle; vibration lessened but still significant. All other engine indications normal for #3. Decided after discussion to call what we were feeling severe damage to #3. Ran QRH Severe Damage checklist for #3; shut engine down; [advised ATC]; returned for uneventful landing to RWY XXC ZZZ. Upon Block in and shutdown MX found #3 Engine Turbine severely damaged.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.